Effects of Section 404 Permits on Wetlands in North Dakota

Table 6

Table 6. Implementation of special conditions by holders of 16 individual permits for discharges of fill material into wetlands under Section 404 of the Clean Water Act; prairie pothole region of North Dakota, 1987 - 1991. Parenthetical entries are percentages

Special conditions

Implemented

Not implemented

Unknowna

Total

Management of dredged and fill material

26 (63)

4 (10)

11 (27)

41

Management of vegetation and control of erosion

27 (84)

2 (6)

3 (9)

32

Construction protocols

8 (10)

0

69 (90)

77

Hydrologic management and control

6 (50)

1 (8)

5 (42)

12

Management of fish and wildlife resources

4 (57)

1 (14)

2 (29)

7

Restoration or creation of wetlands

1 (50)

0

1 (50)

2

Total

72 (42)

8 (5)

91 (53)

171

aIncludes conditions, the implementations of which could not be determined by field investigation.